igzstream Class Reference

Class to read data from a Gzip compressed file. More...

#include <fileops.h>

Inheritance diagram for igzstream:

Collaboration diagram for igzstream:

List of all members.

Public Member Functions
	igzstream ()
	Default constructor.
	igzstream (const string &fname)
	Opens a file for read access.
	~igzstream ()
	Destructor.
bool	open (const string &fname)
	Opens a file for read access.
void	get_block (void *to, u_int32 size)
	Reads a block of bytes from the file.
bool	get_bool ()
	Reads a boolean.
u_int8	get_uint8 ()
	Reads a u_int8.
s_int8	get_sint8 ()
	Reads a s_int8.
u_int16	get_uint16 ()
	Reads a u_int16.
s_int16	get_sint16 ()
	Reads a s_int16.
u_int32	get_uint32 ()
	Reads a u_int32.
s_int32	get_sint32 ()
	Reads a s_int32.
string	get_string ()
	Reads a string.
float	get_float ()
	Reads a float.
Friends
bool &	operator<< (bool &n, igzstream &gfile)
	Reads a boolean.
char &	operator<< (char &n, igzstream &gfile)
	Reads a char.
u_int8 &	operator<< (u_int8 &n, igzstream &gfile)
	Reads a u_int8.
s_int8 &	operator<< (s_int8 &n, igzstream &gfile)
	Reads a s_int8.
u_int16 &	operator<< (u_int16 &n, igzstream &gfile)
	Reads a u_int16.
s_int16 &	operator<< (s_int16 &n, igzstream &gfile)
	Reads a s_int16.
u_int32 &	operator<< (u_int32 &n, igzstream &gfile)
	Reads a u_int32.
s_int32 &	operator<< (s_int32 &n, igzstream &gfile)
	Reads a s_int32.
string &	operator<< (string &s, igzstream &gfile)
	Reads a string.
float &	operator<< (float &s, igzstream &gfile)
	Reads a float.

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Detailed Description

Class to read data from a Gzip compressed file.

Definition at line 131 of file fileops.h.

---

Constructor & Destructor Documentation

igzstream::igzstream

(

)

Default constructor.

Definition at line 65 of file fileops.cc.

igzstream::igzstream

(

const string &

fname

)

Opens a file for read access.

Parameters:

fname

name of the file to open.

Definition at line 69 of file fileops.cc.

igzstream::~igzstream

(

)

Destructor.

Definition at line 73 of file fileops.cc.

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Member Function Documentation

bool igzstream::open

(

const string &

fname

)

Opens a file for read access.

Parameters:

fname

name of the file to open.

Returns:

true if succeed, false otherwise.

Definition at line 77 of file fileops.cc.

void igzstream::get_block	(	void *	to,
		u_int32	size
	)

Reads a block of bytes from the file.

Read a block of size chars.

Parameters:

	to	pointer to the buffer where to read.
	size	number of bytes to read.

Definition at line 106 of file fileops.cc.

bool igzstream::get_bool

(

)

Reads a boolean.

Definition at line 91 of file fileops.cc.

u_int8 igzstream::get_uint8

(

)

Reads a u_int8.

Definition at line 119 of file fileops.cc.

s_int8 igzstream::get_sint8

(

)

Reads a s_int8.

Definition at line 134 of file fileops.cc.

u_int16 igzstream::get_uint16

(

)

Reads a u_int16.

Definition at line 150 of file fileops.cc.

s_int16 igzstream::get_sint16

(

)

Reads a s_int16.

Definition at line 166 of file fileops.cc.

u_int32 igzstream::get_uint32

(

)

Reads a u_int32.

Definition at line 182 of file fileops.cc.

s_int32 igzstream::get_sint32

(

)

Reads a s_int32.

Definition at line 198 of file fileops.cc.

string igzstream::get_string

(

)

Reads a string.

Definition at line 222 of file fileops.cc.

float igzstream::get_float

(

)

Reads a float.

Definition at line 242 of file fileops.cc.

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Friends And Related Function Documentation

bool& operator<<	(	bool &	n,
		igzstream &	gfile
	)			[friend]

Reads a boolean.

Definition at line 83 of file fileops.cc.

char& operator<<	(	char &	n,
		igzstream &	gfile
	)			[friend]

Reads a char.

Definition at line 99 of file fileops.cc.

u_int8& operator<<	(	u_int8 &	n,
		igzstream &	gfile
	)			[friend]

Reads a u_int8.

Definition at line 112 of file fileops.cc.

s_int8& operator<<	(	s_int8 &	n,
		igzstream &	gfile
	)			[friend]

Reads a s_int8.

Definition at line 127 of file fileops.cc.

u_int16& operator<<	(	u_int16 &	n,
		igzstream &	gfile
	)			[friend]

Reads a u_int16.

Definition at line 142 of file fileops.cc.

s_int16& operator<<	(	s_int16 &	n,
		igzstream &	gfile
	)			[friend]

Reads a s_int16.

Definition at line 158 of file fileops.cc.

u_int32& operator<<	(	u_int32 &	n,
		igzstream &	gfile
	)			[friend]

Reads a u_int32.

Definition at line 174 of file fileops.cc.

s_int32& operator<<	(	s_int32 &	n,
		igzstream &	gfile
	)			[friend]

Reads a s_int32.

Definition at line 190 of file fileops.cc.

string& operator<<	(	string &	s,
		igzstream &	gfile
	)			[friend]

Reads a string.

Definition at line 206 of file fileops.cc.

float& operator<<	(	float &	s,
		igzstream &	gfile
	)			[friend]

Reads a float.

Definition at line 230 of file fileops.cc.

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The documentation for this class was generated from the following files:

• fileops.h
• fileops.cc